Addiction, Tolerance and Dependence
Addiction, tolerance and dependence
Real World
A regular coffee drinker who needs three cups to feel alert where one once sufficed is experiencing tolerance; if they stop abruptly and feel headaches and irritability, that is physical dependence and withdrawal.
Exam Focus
Define all three terms separately and give a distinguishing feature of each; mixing up tolerance and dependence is a common error that loses marks.
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